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Red Hat Product Errata RHSA-2025:9497 - Security Advisory
Issued:
2025-06-24
Updated:
2025-06-24

RHSA-2025:9497 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Moderate: kernel security update

Type/Severity

Security Advisory: Moderate

Red Hat Insights patch analysis

Identify and remediate systems affected by this advisory.

View affected systems

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: tipc: fix use-after-free Read in tipc_named_reinit (CVE-2022-49696)
  • kernel: ndisc: use RCU protection in ndisc_alloc_skb() (CVE-2025-21764)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

The system must be rebooted for this update to take effect.

Affected Products

  • Red Hat Enterprise Linux Server - AUS 8.4 x86_64

Fixes

  • BZ - 2347851 - CVE-2022-49696 kernel: tipc: fix use-after-free Read in tipc_named_reinit
  • BZ - 2348575 - CVE-2025-21764 kernel: ndisc: use RCU protection in ndisc_alloc_skb()

CVEs

  • CVE-2022-49696
  • CVE-2025-21764

References

  • https://access.redhat.com/security/updates/classification/#moderate
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Enterprise Linux Server - AUS 8.4

SRPM
kernel-4.18.0-305.159.1.el8_4.src.rpm SHA-256: d266c1fc9d735b5dfe82a55e3665d3799e0a6455a8426f5f326d859e33ba9b06
x86_64
bpftool-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 73bdd00b4a3ce68ada626d44d50dfc434a7c4a4e2a71d94773c388fccde70c9a
bpftool-debuginfo-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 0ec4c420744ca8208d8556f5cb43c8f096ef2b233219ee9bf00f4f33a0cd0618
kernel-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: c701907bfa092b6a865cf188fa63f6fa6d200814fd2d9fffaf5a7cd194ced748
kernel-abi-stablelists-4.18.0-305.159.1.el8_4.noarch.rpm SHA-256: 9edf73c6bb3cfa274afe289fdb981abb1777ce990b1eeec1068c7374ead0db42
kernel-core-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: b3e29283092e37de18eedc71ae4341fa0b2b66faf1436a3ebcb01a18004a245c
kernel-cross-headers-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 2e4e703e217ef4750bbe8064513d9a994aeb7abe5e237f770b5a4334afd44074
kernel-debug-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 5c13004e5cc825a50aeead0a2531e98b7e5e7789bda1364f77606efd0a5e7ca3
kernel-debug-core-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 900df48b5a2b3e1eded18976e317b7f5608e961b5501fa97253f90d92bd832f8
kernel-debug-debuginfo-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: a9b4ee5166d30960ba41ffe5e96ddbd42bbe003df82709dbf5ad992feab9084e
kernel-debug-devel-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: ba774bf14df26810272471c5adf787151b84c8c577a0c9a1fa408510aab910a8
kernel-debug-modules-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 2e11da4d70676234cf38bdc6faa8e7181cfe3e998c6ab08f57a66b7535b94fef
kernel-debug-modules-extra-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 67a69c693482882ed027456ad85e5c5b79dca11ad73f96e0b69f1612ce4a8732
kernel-debuginfo-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: f4d836e94ed4b62f00e9cefd5c71ccf830a5cf9dea7b811172075035804717f1
kernel-debuginfo-common-x86_64-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: fc7da338835901c1ce19c8a990cc18860d3a9dc4f08d8b824c3fe324eba36fce
kernel-devel-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 9751396081c4d2b60980aadc065059b3838a295805fd31bff198b26b2a16bd72
kernel-doc-4.18.0-305.159.1.el8_4.noarch.rpm SHA-256: 4b44ea3b0b471441e06f2a97fa8c635ffcf6a21ea31aced6bb627caccfcace96
kernel-headers-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 09f808fa2b28862b29cbe8533c40483f362841561e10beb984b9a421678bcddb
kernel-modules-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 12ee6e78e6e8a03fcfb99e0c41574fe9fd78ae226d83b18894301f564f0731c7
kernel-modules-extra-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: b5c3b250655f8aaecf45d05f177ed636fabc338c99ac7c8ea83ad6c4d501d0e3
kernel-tools-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 17b61b478d03954bd5837dac64c966fb933a7a4ef0cea85bedcbb26a8d569af9
kernel-tools-debuginfo-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: c5b9989c587e24cbef3aa64934ca96b8acefacd5faafe6e75d730d8e60c9e018
kernel-tools-libs-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 2a7ff00b05f3da74273c07710728924d9afe4efe34f53822bfe1a89c001fd7e8
perf-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 336248a4d223cbdb9f57578257033d046c6650e2fa6e9c2eb68e5d684826c968
perf-debuginfo-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 9db261b2fd599ef5cc8d10ebbcef7a4949f749d9258191c69bb9fa7f19fe18c3
python3-perf-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: dcf22cdd498b9bb1ae6b13233caea4cea08162573c6ae56ce804316b174de319
python3-perf-debuginfo-4.18.0-305.159.1.el8_4.x86_64.rpm SHA-256: 02c1a7aaaad81d696b850b760d4c4dc318505c61f65753638eb1f74331c2f8c9

The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.

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